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Method and apparatus for placing linerless repositionable sheets directly onto advertising signatures

  • US 6,379,764 B1
  • Filed: 11/03/1997
  • Issued: 04/30/2002
  • Est. Priority Date: 07/21/1993
  • Status: Expired due to Fees
First Claim
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1. In a wound roll of linerless sheet material, wherein the sheet material of the roll is elongated longitudinally, has first and second major opposed sheet surfaces, first and second opposed side edges and a repositionable pressure-sensitive adhesive extending longitudinally and covering laterally only a portion of the first sheet surface of the sheet material, the improvement which comprises:

  • (a) the portion of the first sheet surface bearing the repositionable pressure-sensitive adhesive is a single narrow band extending along only the first side edge of the sheet material, the narrow band having a lateral width substantially less than half of the lateral width of the entire sheet;

    (b) the second sheet surface of the sheet material being free of adhesive;

    (c) the sheet material of the roll is free from perforations therethrough, continuous and without pre-separated lines, and adapted to be cut into identical discrete sheets; and

    (d) a plurality of equally longitudinally spaced and detectable indicia disposed on the first sheet surface of the sheet material, the spacing between two adjacent indicia defining a longitudinal sheet dimension, the indicia having sufficient visual contrast from the sheet material to be readily visually detectable upon viewing the first sheet surface of the sheet material when the first sheet surface is directly viewable, wherein the sheet material is opaque and the indicia on the first sheet surface are substantially visually undetectable upon viewing the second sheet surface.

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